ref: d6923e0f149eec4f9ba8c83fbb286b92ae7da25a
dir: /rc/bin/dontkill/
#!/bin/rc
# dontkill regexp - mark invoker's processes with names matching regexp
# as not killable when the kernel runs out of memory
if (! ~ $#* 1) {
echo $0 regexp >[1=2]
exit usage
}
# see /sys/src/9/port/proc.c:/^killbig
psu | awk '$NF ~ /'$1'/ {
print "@{echo noswap >/proc/"$2"/ctl}"
}' | rc >/dev/null >[2=1]
exit ''